On Sat, 9 Jan 2016 17:20:26 +0000 Fernando Soto <fs...@bluecatnetworks.com> wrote: > Hi Martin, > > Udevadm output is attached. > > Thank you, > Fernando > > > -----Original Message----- > > From: Martin Pitt [mailto:mp...@debian.org] > > Sent: Saturday, January 09, 2016 10:45 AM > > To: Fernando Soto; 810...@bugs.debian.org > > Subject: Re: Bug#810247: Hyper-V network adapters are mapped to a different > > interface (ethN) on every boot > > > > Control: tag -1 moreinfo > > > > Fernando Soto [2016-01-08 15:22 +0000]: > > > The persistent-net udev rules are not created in virtual environments to > > > avoid > > issues with cloning/migrating VMs. > > > > This was true with the old persistent names in Jessie and before, but not > > true any > > more with current testing and unstable versions. See > > /usr/share/doc/udev/README.Debian.gz. > > > > Maybe the current ifnames system cannot figure out an appropriate name for > > Hyper-V interfaces?
P:
/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:07/VMBUS:01/vmbus_0_16/net/eth0
E:
DEVPATH=/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:07/VMBUS:01/vmbus_0_16/net/eth0
E: ID_NET_DRIVER=hv_netvsc
E: ID_NET_NAME_MAC=enx00155d0ae2ad
E: ID_OUI_FROM_DATABASE=Microsoft Corporation
E: ID_PATH=acpi-VMBUS:01
E: ID_PATH_TAG=acpi-VMBUS_01
E: IFINDEX=2
E: INTERFACE=eth0
E: MATCHDEVID=0x0
E: MATCHIFTYPE=1
E: SUBSYSTEM=net
E: SYSTEMD_ALIAS=/sys/subsystem/net/devices/eth0
E: TAGS=:systemd:
E: USEC_INITIALIZED=39002
Looks like this is the case.
I notice that there is
Author: Hannes Reinecke <h...@suse.de>
Date: Fri Nov 23 14:12:39 2012 +0100
udev: path_id - handle Hyper-V devices
Hyper-V has an abstract bus, which gets renumbered on guest
startup. So instead of the bus numbers we should be using
the device GUIDs, which can be retrieved from the 'device_id'
sysfs attribute.
That doesn't seem to handle network interfaces though.
That said, this doesn't look like a Debian specific problem. So it's
probably best if you raise this upstream at
https://github.com/systemd/systemd
--
Why is it that all of the instruments seeking intelligent life in the
universe are pointed away from Earth?
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